# L3: a state's field answers a member that takes nothing; price takes an int, so it binds a function
program PortVarArgs {
  port Purse { price: fn(int) -> int }
  state Rates { rate: int = 3 }
  bind Purse { price: Rates.rate }
  entry {
    print(Purse.price(2))
  }
}